Hi,
I'm a little confused how I should handle transactions in a particular
situation.
I've got some code that boils down to this:
def myview(request):
result = important_money_stuff(request)
widget = Widget.objects.get(request.get(something))
thingy = Thingy.objects.get(request.get(something))
thingy, widget = modify(thingy, widget)
thingy.save()
widget.save()
return render_to_response(...)
def important_money_stuff(request):
bank_reply = something_involving_credit_cards()
log_to_db(bank_reply)
return bank_reply
Now - I want to use transactions to ensure that widget and thingy only
get saved on a complete success. I don't want their states to become
out of sync.
However - I want the logging to take place *whatever happens* i.e.
assuming the money stuff happens then I want it logged. I was going to
use commit_on_success to do this.
How does commit_on_success handle being nested? Will it understand to
commit the logging transaction when it finishes important_money_stuff
but to roll back the widget and thingy transaction separately?
cheers,
Andy
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